Ubuntu Security Notice 274-2: USN-274-1 fixed a logging bypass in the MySQL server. Unfortunately it was determined that the original update was not sufficient to completely fix the vulnerability, thus another update is necessary. We apologize for the inconvenience.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46338/USN-274-2.txt
Source: https://packetstormsecurity.com/files/46338/Ubuntu-Security-Notice-274-2.html